C664

Gu Feng couldn't help but frown. He was a little confused as to what was stopping him from continuing to grow his Spiritual Energy. For a moment, Gu Feng couldn't figure it out.

Gu Feng soon felt that maybe it was because he didn't have enough experience that he didn't know much about it. And these knowledge, could help him broaden his Dantian and absorb Spiritual Energy!

However